package com.lanhai.utils;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

/**
 * 说明：日期处理 创建人：FH Q313596790 修改时间：2015年11月24日
 * 
 * @version
 */
public class DateUtil {

	private final static SimpleDateFormat sdfYear = new SimpleDateFormat("yyyy");
	private final static SimpleDateFormat sdfDay = new SimpleDateFormat("yyyy-MM-dd");
	private final static SimpleDateFormat sdfDays = new SimpleDateFormat("yyyyMMdd");
	private final static SimpleDateFormat sdfTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	private final static SimpleDateFormat sdfShortYear = new SimpleDateFormat("yy");
	private final static SimpleDateFormat sdfMonthDay = new SimpleDateFormat("MM-dd");
	/*
	 * 毫秒转化
	 */
	public static String formatTime(long ms) {

		int ss = 1000;
		int mi = ss * 60;
		int hh = mi * 60;
		int dd = hh * 24;

		long day = ms / dd;
		long hour = (ms - day * dd) / hh;
		long minute = (ms - day * dd - hour * hh) / mi;
		long second = (ms - day * dd - hour * hh - minute * mi) / ss;
		long milliSecond = ms - day * dd - hour * hh - minute * mi - second * ss;

//		String strDay = day < 10 ? "0" + day : "" + day; // 天
//		String strHour = hour < 10 ? "0" + hour : "" + hour;// 小时
		String strMinute = minute < 10 ? "0" + minute : "" + minute;// 分钟
		String strSecond = second < 10 ? "0" + second : "" + second;// 秒
		String strMilliSecond = milliSecond < 10 ? "0" + milliSecond : "" + milliSecond;// 毫秒
		strMilliSecond = milliSecond < 100 ? "0" + strMilliSecond : "" + strMilliSecond;

		return strMinute + " 分钟 " + strSecond + " 秒";
	}

	/**
	 * * 格式化时间 * @param time * @return
	 */
	public static Boolean formatDateTime(String time) {
		SimpleDateFormat format = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		if (time == null || "".equals(time)) {
			return false;
		}
		Date date = null;
		try {
			date = format.parse(time);
		} catch (Exception e) {
			e.printStackTrace();
		}
		Calendar current = Calendar.getInstance();
		Calendar today = Calendar.getInstance(); // 今天
		today.set(Calendar.YEAR, current.get(Calendar.YEAR));
		today.set(Calendar.MONTH, current.get(Calendar.MONTH));
		today.set(Calendar.DAY_OF_MONTH, current.get(Calendar.DAY_OF_MONTH)); // Calendar.HOUR——12小时制的小时数
																				// Calendar.HOUR_OF_DAY——24小时制的小时数
		today.set(Calendar.HOUR_OF_DAY, 0);
		today.set(Calendar.MINUTE, 0);
		today.set(Calendar.SECOND, 0);
		Calendar yesterday = Calendar.getInstance(); // 昨天
		yesterday.set(Calendar.YEAR, current.get(Calendar.YEAR));
		yesterday.set(Calendar.MONTH, current.get(Calendar.MONTH));
		yesterday.set(Calendar.DAY_OF_MONTH, current.get(Calendar.DAY_OF_MONTH) - 1);
		yesterday.set(Calendar.HOUR_OF_DAY, 0);
		yesterday.set(Calendar.MINUTE, 0);
		yesterday.set(Calendar.SECOND, 0);
		current.setTime(date);
		if (current.after(today)) {
			return true;// "今天 " + time.split(" ")[1];
		} else if (current.before(today) && current.after(yesterday)) {
			return false;// "昨天 " + time.split(" ")[1];
		} else {
			return false;
		}
	}

	/**
	 * 获取YYYY格式
	 * 
	 * @return
	 */
	public static String getYear() {
		return sdfYear.format(new Date());
	}

	/**
	 * 获取YYYY-MM-DD格式
	 * 
	 * @return
	 */
	public static String getDay() {
		return sdfDay.format(new Date());
	}

	/**
	 * 获取YYYYMMDD格式
	 * 
	 * @return
	 */
	public static String getDays() {
		return sdfDays.format(new Date());
	}

	/**
	 * 获取YYYY-MM-DD HH:mm:ss格式
	 * 
	 * @return
	 */
	public static String getTime() {
		return sdfTime.format(new Date());
	}

	/**
	 * @Title: compareDate
	 * @Description:
	 * @param s
	 * @param e
	 * @return boolean
	 * @throws @author
	 *             fh
	 */
	public static boolean compareDate(String s, String e) {
		if (fomatDate(s) == null || fomatDate(e) == null) {
			return false;
		}
		return fomatDate(s).getTime() >= fomatDate(e).getTime();
	}

	/**
	 * 格式化日期
	 * 
	 * @return
	 */
	public static Date fomatDate(String date) {
		DateFormat fmt = new SimpleDateFormat("yyyy-MM-dd");
		try {
			return fmt.parse(date);
		} catch (ParseException e) {
			e.printStackTrace();
			return null;
		}
	}
	
	/**
	 * 格式化日期
	 * 
	 * @return
	 */
	public static String fomatDateToString(String date) {
		DateFormat fmt = new SimpleDateFormat("yyyy-MM-dd");
		try {
			String str = fmt.format(fmt.parse(date));
			return str;
		} catch (ParseException e) {
			e.printStackTrace();
			return null;
		}
	}

	/**
	 * 校验日期是否合法
	 * 
	 * @return
	 */
	public static boolean isValidDate(String s) {
		DateFormat fmt = new SimpleDateFormat("yyyy-MM-dd");
		try {
			fmt.parse(s);
			return true;
		} catch (Exception e) {
			// 如果throw java.text.ParseException或者NullPointerException，就说明格式不对
			return false;
		}
	}

	/**
	 * @param startTime
	 * @param endTime
	 * @return
	 */
	public static int getDiffYear(String startTime, String endTime) {
		DateFormat fmt = new SimpleDateFormat("yyyy-MM-dd");
		try {
			// long aa=0;
			int years = (int) (((fmt.parse(endTime).getTime() - fmt.parse(startTime).getTime()) / (1000 * 60 * 60 * 24))
					/ 365);
			return years;
		} catch (Exception e) {
			// 如果throw java.text.ParseException或者NullPointerException，就说明格式不对
			return 0;
		}
	}

	/**
	 * <li>功能描述：时间相减得到天数
	 * 
	 * @param beginDateStr
	 * @param endDateStr
	 * @return long
	 * @author Administrator
	 */
	public static long getDaySub(String beginDateStr, String endDateStr) {
		long day = 0;
		java.text.SimpleDateFormat format = new java.text.SimpleDateFormat("yyyy-MM-dd");
		java.util.Date beginDate = null;
		java.util.Date endDate = null;

		try {
			beginDate = format.parse(beginDateStr);
			endDate = format.parse(endDateStr);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		day = (endDate.getTime() - beginDate.getTime()) / (24 * 60 * 60 * 1000);
		// System.out.println("相隔的天数="+day);

		return day;
	}

	/**
	 * 得到n天之后的日期
	 * 
	 * @param days
	 * @return
	 */
	public static String getAfterDayDate(String days, String format) {
		int daysInt = Integer.parseInt(days);

		Calendar canlendar = Calendar.getInstance(); // java.util包
		canlendar.add(Calendar.DATE, daysInt); // 日期减 如果不够减会将月变动
		Date date = canlendar.getTime();

		SimpleDateFormat sdfd = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		if (format != null) {
			sdfd = new SimpleDateFormat(format);
		}
		String dateStr = sdfd.format(date);

		return dateStr;
	}

	/**
	 * 得到系统当前日期的前或者后几天
	 * 
	 * @param iDate
	 * @return
	 */
	public static String getDateBeforeOrAfter(int iDate) {
		Calendar cal = Calendar.getInstance();
		cal.add(Calendar.DATE, iDate);
		Date todayDate = cal.getTime();
		SimpleDateFormat format = new java.text.SimpleDateFormat("yyyy-MM-dd");
		String dateStr = format.format(todayDate);
		return dateStr;
	}

	/**
	 * 得到日期的前或者后几天
	 * 
	 * @param curDate
	 * @param iDate
	 * @return
	 */
	public static Date getDateBeforeOrAfter(Date curDate, int iDate) {
		Calendar cal = Calendar.getInstance();
		cal.setTime(curDate);
		cal.add(Calendar.DAY_OF_MONTH, iDate);
		return cal.getTime();
	}

	/**
	 * 得到n月之后的日期
	 * 
	 * @param days
	 * @return
	 */
	public static String getAfterMonthDate(String months) {
		int monthsInt = Integer.parseInt(months);

		Calendar canlendar = Calendar.getInstance(); // java.util包
		canlendar.add(Calendar.MONTH, monthsInt); // 月减
		Date date = canlendar.getTime();

		SimpleDateFormat sdfd = new SimpleDateFormat("yyyy-MM-dd");
		String dateStr = sdfd.format(date);

		return dateStr;
	}

	/**
	 * 得到n年之后的日期
	 * 
	 * @param days
	 * @return
	 */
	public static String getAfterYearDate(String years) {
		int yearsInt = Integer.parseInt(years);

		Calendar canlendar = Calendar.getInstance(); // java.util包
		canlendar.add(Calendar.YEAR, yearsInt); // 年减
		Date date = canlendar.getTime();

		SimpleDateFormat sdfd = new SimpleDateFormat("yyyy-MM-dd");
		String dateStr = sdfd.format(date);

		return dateStr;
	}

	/**
	 * 得到n天之后是周几
	 * 
	 * @param days
	 * @return
	 */
	public static String getAfterDayWeek(String days) {
		int daysInt = Integer.parseInt(days);
		Calendar canlendar = Calendar.getInstance(); // java.util包
		canlendar.add(Calendar.DATE, daysInt); // 日期减 如果不够减会将月变动
		Date date = canlendar.getTime();
		SimpleDateFormat sdf = new SimpleDateFormat("E");
		String dateStr = sdf.format(date);
		return dateStr;
	}

	public static void main(String[] args) {
		// System.out.println(getDays());
		// System.out.println(getAfterDayWeek("3"));
		System.out.println(getAfterMonthDate("-1"));
		System.out.println(getAfterYearDate("-1"));
	}

	/**
	 * jrb 获取YYYY-MM-DD HH:mm:ss格式
	 * 
	 * @return
	 */
	public static String getTimeDate(Date d) {
		if(d==null)
			return "";
		return sdfTime.format(d);
	}
	
	public static String getYY(Date d) {
		return sdfShortYear.format(d);
	}
	
	public static String getMMDD(Date d){
		return sdfMonthDay.format(d);
	}
	
	/**
	 * //时间戳转化为Sting或Date 
	 * @param timestamp
	 * @return string date
	 */
	public static String getYMD_HMS_Timestamp(Object timestamp){
		if(timestamp==null){
			return "";
		}
		//时间戳转化为Sting或Date  
	    DateFormat format =  new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  
	    String date = format.format(timestamp);  
//	    Date date=format.parse(d);  
//	    System.out.println("Format To Date:"+date); 
	    return date;  
	}
	
	/**
	 * //时间戳转化为Sting或Date 
	 * @param timestamp
	 * @return string date
	 */
	public static String convertTimestamp(Object timestamp)throws Exception{
		if(timestamp==null){
			return "";
		}
		//时间戳转化为Sting或Date  
	    DateFormat format =  new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");  
	    String date = format.format(DateFormat.getDateInstance().parse(timestamp.toString()));  
	    
	    return date;  
	}
}
